4465125557 has 4 divisors (see below), whose sum is σ = 4484289420. Its totient is φ = 4445961696.

The previous prime is 4465125529. The next prime is 4465125569. The reversal of 4465125557 is 7555215644.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 492218596 + 3972906961 = 22186^2 + 63031^2 .

It is a cyclic number.

It is not a de Polignac number, because 4465125557 - 2¹⁰ = 4465124533 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4465125857) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9581582 + ... + 9582047.

It is an arithmetic number, because the mean of its divisors is an integer number (1121072355).

Almost surely, 2^4465125557 is an apocalyptic number.

It is an amenable number.

4465125557 is a deficient number, since it is larger than the sum of its proper divisors (19163863).

4465125557 is a wasteful number, since it uses less digits than its factorization.

4465125557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19163862.

The product of its digits is 840000, while the sum is 44.

The square root of 4465125557 is about 66821.5949899432. The cubic root of 4465125557 is about 1646.6876379821.

The spelling of 4465125557 in words is "four billion, four hundred sixty-five million, one hundred twenty-five thousand, five hundred fifty-seven".